1 files changed, 18 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/sfinae21.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/sfinae21.C
new file mode 100644
index 000000000..743d7cfc2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/sfinae21.C
@@ -0,0 +1,18 @@
+// PR c++/48735
+// { dg-do compile { target c++11 } }
+
+template<class T, 
+ class = decltype(T{})
+>
+char f(int);
+
+template<class>
+char (&f(...))[2];
+
+struct ND {
+  // Make ND() non-aggregate.
+  virtual void f();
+  ND() = delete;
+};
+
+static_assert(sizeof(f<ND[1]>(0)) != 1, "Error");